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Anormalous ISHE in Pt/Py System Due to Surface Oxidation on Py Layer

논문 기본 정보

저자정보
(Korea University) (Korea University) (Korea University) (Korea Institute of Science and Technology) (Korea University) (Korea Institute of Science and Technology) (Korea Basic Science Institute)
저널정보
한국자기학회 한국자기학회 학술연구발표회 논문개요집 한국자기학회 2012년도 자성 및 자성재료 국제학술대회
발행연도
수록면
67 - 68 (2page)
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Anormalous ISHE in Pt/Py System Due to Surface Oxidation on Py Layer
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    초록·키워드

    The generation and detection of a spin current through inverse spin-Hall effect(ISHE) phenomena are the important technique for developing applied spintronic devices. The ISHE has been observed using the spin-pumping[1,2] and the non-local method[3] in Py/Pt films. Above all, the spin pumping method represent to the generation of spin currents from precessing magnetization in a ferromagnetic/paramagnetic bilayer system. And then a spin current is pumped out of the ferromagnetic layer into the paramagnetic layer in the ferromagnetic resonance(FMR) condition. The FMR linewidth and spectroscopy measurement technique provides a convenient way for not only measuring the Gilbert damping constant and the saturation magnetization in magnetic layer[4] but also material characterization such as composition[5]. In our experiment, FMR signal and output voltage of ISHE behavior depending on the magnetic field are distorted according to the expo ... 전체 초록 보기

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      UCI(KEPA) : I410-ECN-0101-2014-428-000657048